[evince] configure.ac:Use new libtool syntax

[Javier JardÃn <jjardon src gnome org>]

commit b8be5a752e6fabaab4d107358ecd785759a0b2bf
Author: Javier JardÃn <jjardon gnome org>
Date:   Mon Jan 7 13:13:13 2013 +0000

    configure.ac:Use new libtool syntax

 configure.ac |   10 +++++-----
 1 files changed, 5 insertions(+), 5 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 32f44f5..1a00eae 100644
--- a/configure.ac
+++ b/configure.ac
@@ -53,14 +53,17 @@ AM_MAINTAINER_MODE([enable])
 
 m4_ifdef([AM_SILENT_RULES],[AM_SILENT_RULES([yes])])
 
-AM_PROG_LIBTOOL
-
 AC_PROG_CC
 AM_PROG_CC_C_O
 AC_PROG_CXX
 
 AC_PROG_SED
 
+# Initialize libtool
+LT_PREREQ([2.2])
+LT_INIT
+LT_LIB_M
+
 GNOME_COMPILE_WARNINGS
 GNOME_CXX_WARNINGS
 
@@ -132,9 +135,6 @@ dnl Check dependencies
 # SHELL_CFLAGS     for shell implementation.
 # SHELL_LIBS
 
-AC_CHECK_LIBM
-AC_SUBST(LIBM)
-
 have_zlib=yes
 AC_CHECK_HEADERS([zlib.h],
 	[AC_CHECK_LIB([z], [inflate],